! U.S. Ph.D. Programs by State
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| <categorytree showcount=on depth=0 mode=pages>1 Faculty Member</categorytree><categorytree showcount=on depth=0 mode=pages>2 Faculty Members</categorytree><categorytree showcount=on depth=0 mode=pages>3 Faculty Members</categorytree><categorytree showcount=on depth=0 mode=pages>4 Faculty Members</categorytree><categorytree showcount=on depth=0 mode=pages>5 Faculty Members</categorytree><categorytree showcount=on depth=0 mode=pages>6+ Faculty Members</categorytree>
| <categorytree depth=0 mode=pages>Arizona</categorytree>